package algo.set;

/**
 * @Title:
 * @Description:
 * @Author Fay Wang
 * @Date 2022/4/29 18:00
 * @Version 1.0
 */
public interface Set<E> {
    void add(E e);

    boolean contains(E e);

    void remove(E e);

    int getSize();

    boolean isEmpty();
}
